the two brothers, the one who was killed last night tamerlan tsarnaev. the man police are looking for at this hour is dzhokhar tsarnaev, identified by the fbi as wearing the white hat, as you can see in the photograph there. those were the photographs from the scene on monday at the boston marathon that were made public by the fbi last night. dzhokhar the man at large has a massachusetts driver's license and was born in kyrgyzstan. they came to the u.s. with their family in 2002, 2003. may have been here well over a decade in the united states. >> and has left a trail of devastation in their wake. pete williams also saying that this chase last night, which culminated and still continues now, but culminated in a huge shootout with the sounds of gunfire and explosives ringing through the streets of watertown in the dark of night. these guys were the ones who started this by potentially a realizing their faces were out there and if they wanted to make another mark or make a break for it, they had to do it right away. it involved them robbing a 7-eleven, car